Peng doorbell is a selection of high quality industrial plastic, and is packed in blister card, equipped with Bell and batteries, minimum order quantity is 1 or more, Qty 60 kcal/pieces. Ke Peng doorbell material aging, fading, corrosion-resistant characteristics, suitable for use in homes, restaurants, hotels and other places, beautiful rectangular design, with white, blue, pink, reference wholesale price is negotiable. Ke Peng doorbell powered by batteries, built-in stereo speakers, sound crisp, use wireless installation design and precise "RF ISO code" technology from interfering with each other.